Best Angle Finder Triangle Apps

246+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated November 2026

Digital Angle Finder is the household name in angle finder triangle, but it's far from the only option. We track 246+ alternatives and competitors on iOS โ€” many free, many higher-rated than you'd expect.

Compare top Angle Finder Triangle Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Digital Angle Finder: 3D MeterDigital Angle Finder: 3D MeterFree4.1โ˜… (237)NoNoNov 2026
2Triangle SolverTriangle SolverFree4.2โ˜… (31)NoNoOct 2026
3Angle Finder 78Angle Finder 78Free5.0โ˜… (3)NoNoOct 2026
4TriangleDataTriangleDataFreeโ€”NoNoMay 2026
5Angle Finder: ProtractorAngle Finder: ProtractorFree5.0โ˜… (1)YesYesNov 2026
6Angle Finder: Level ToolAngle Finder: Level ToolFree4.7โ˜… (172)NoYesNov 2026
7Triangle HelpTriangle HelpFree5.0โ˜… (1)NoNoMay 2026
8Triangle Solver Free - Geometry CalculatorTriangle Solver Free - Geometry CalculatorFree3.6โ˜… (40)NoYesMay 2026

Top Picks for Angle Finder Triangle

Digital Angle Finder: 3D Meter#1

Digital Angle Finder: 3D Meter by ALEXEY BRILEV

Protractor & 3D Angle Measure
Editor's Choice
๐Ÿ”ง Utilities
4.1๐Ÿ˜(237 ratings)
Free
Digital Angle Finder: 3D Meter screenshot 1
Digital Angle Finder: 3D Meter screenshot 2
Digital Angle Finder: 3D Meter screenshot 3
Digital Angle Finder: 3D Meter screenshot 4
Digital Angle Finder: 3D Meter screenshot 5
Digital Angle Finder: 3D Meter screenshot 6

Measure angles precisely using your device's sensors. It functions as both a protractor and a 3D angle meter, allowing you to determine angles between surfaces or lines on a plane with high accuracy. Save your measurements by taking photos with the angle recorded.

What We Love

  • ๐Ÿ‘ Amazing app, does what it claims
  • ๐Ÿ‘ No annoying ads or up-sells
  • ๐Ÿ‘ No tracking
  • ๐Ÿ‘ Very useful app, love it
  • ๐Ÿ‘ Easy to used
  • ๐Ÿ‘ Aplicativo excelente
  • ๐Ÿ‘ ะžั‡ะตะฝัŒ ะฟะพะปะตะทะฝะฐั ะฟั€ะพะณะฐ!
  • ๐Ÿ‘ ะžั‡ะตะฝัŒ ะฟะพะผะพะณะฐะตั‚
  • ๐Ÿ‘ ะžะฑะฐะปะดะตะฝะฝะฐั ะฒะตั‰ัŒ
  • ๐Ÿ‘ Klasse App
  • ๐Ÿ‘simpel in der Anwendung
  • ๐Ÿ‘ reproduzierbare Ergebnisse
  • ๐Ÿ‘ tolles Messgerรคt
  • ๐Ÿ‘ Bin begeistert!
  • ๐Ÿ‘ Ottima
  • ๐Ÿ‘ Works well for TV angle
  • ๐Ÿ‘ Simple easy
  • ๐Ÿ‘brauchbare Messergebnisse!
  • ๐Ÿ‘ Top auf arbeit
  • ๐Ÿ‘ hilft auf sehr schnelle Art und Funktion
  • ๐Ÿ‘ Seems accurate
  • ๐Ÿ‘ Easy to have as an app
  • ๐Ÿ‘ Misurato angoli correttamente

Room to Improve

  • ๐Ÿ› Rien ne se passe
  • ๐Ÿ› Nicht das was ich gesucht habe
  • ๐Ÿ› Dauert lange bis Ergebnis angezeigt
  • ๐Ÿ› Horrible app doesnโ€™t work
  • ๐Ÿ› Gives wrong measurements (172 degrees)
  • ๐Ÿ› Ne marche pas
  • ๐Ÿ› Donne des angles aberrants
  • ๐Ÿ› Nรฃo funciona
  • ๐Ÿ› Doesnโ€™t give any measurements
  • ๐Ÿ› Just plain doesnโ€™t work
  • ๐Ÿ› Nulle
  • ๐Ÿ› On ne mesure ou rien du tout
  • ๐Ÿ› Obtains random measurements
  • ๐Ÿ› No funciona
  • ๐Ÿ› Siempre da la misma mediciรณn (2 y 178)
  • ๐Ÿ› Trying to measure ROM, calculated 179 degrees
  • ๐Ÿ› Directions not helpful
  • ๐Ÿ› ์ •์ง€์ƒํƒœ์—์„œ๋งŒ ์ธก์ •์ด ์‹œ์ž‘๋œ๋‹ค๋Š”๊ฒŒ ์•„์‰ฌ์›€
  • ๐Ÿ› Itโ€™s always 1 or 2
  • ๐Ÿ› Not ready for people
  • ๐Ÿ› Too fussy to take a reading on moving objects
  • ๐Ÿ› Horrible
  • ๐Ÿ› Doesnโ€™t work on any vertical angle
  • ๐Ÿ› Instructions and help are terrible
  • ๐Ÿ› Ruined by new update
  • ๐Ÿ› Only works on perfectly still surfaces
  • ๐Ÿ› ่ฐๅš็š„ๅžƒๅœพ่ฝฏไปถ
  • ๐Ÿ› ้ƒฝไธ็Ÿฅ้“ๆ€Žไนˆ็”จ
  • ๐Ÿ› ะžั‚ะทั‹ะฒ, ะฝะต ั€ะตะบะพะผะตะฝะดัƒัŽ
  • ๐Ÿ› ะะตะฟะพะฝัั‚ะฝะพะต ะธ ะฑะตัะฟะพะปะตะทะฝะพะต ะฟั€ะธะปะพะถะตะฝะธะต
  • ๐Ÿ› Enttรคuscht
  • ๐Ÿ› Leider nicht praktisch
  • ๐Ÿ› Unnรผtz
  • ๐Ÿ› Sehr unintuitive Bedienung
  • ๐Ÿ› Mit dem iPhone 6s Plus funktionslos
  • ๐Ÿ› App scheint veraltet
4.2๐Ÿ˜(31 ratings)
Free
Triangle Solver screenshot 1
Triangle Solver screenshot 2
Triangle Solver screenshot 3
Triangle Solver screenshot 4

Calculate unknown sides and angles of a triangle with ease. Supports various input combinations, including two angles and one side, two sides and one angle, or three sides.

What We Love

  • ๐Ÿ‘ Simple and easy to use
  • ๐Ÿ“ Accurate calculations
  • โœจ Ad-free experience
  • ๐Ÿ“ Dynamic triangle diagram
  • ๐Ÿš€ Quick results
  • ๐Ÿ‘ Very helpful for work/school
  • ๐Ÿ’ก Free of charge
  • ๐Ÿ‘ Clear interface
  • ๐Ÿ‘ Good graphics
  • ๐Ÿ‘ Solves for any triangle

Room to Improve

  • ๐Ÿ› Crashes frequently
  • ๐Ÿ› Stopped working on iOS
  • ๐Ÿ› Input fields not clear
  • ๐Ÿ› Ads can be intrusive
  • ๐Ÿ› Difficult to use with irrational numbers
  • ๐Ÿ› Tiny buttons
  • ๐Ÿ› Doesn't allow value entry
  • ๐Ÿ› UI is broken
  • ๐Ÿ› Only accepts integers
  • ๐Ÿ› Ad banner introduced in update

More Angle Finder Triangle apps to explore

FAQ about Angle Finder Triangle

What are the best angle finder triangle apps for iPhone?
Digital Angle Finder: 3D Meter tops our angle finder triangle apps ranking as of November 2026, with a 4.1-star average from 237 App Store ratings, and it's free to download.
Yes โ€” 20 of the top angle finder triangle apps we rank are free to download, including Digital Angle Finder: 3D Meter and Triangle Solver.
Digital Angle Finder: 3D Meter has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 246+ angle finder triangle apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.